<template>
  <div class="login_container">
    <!-- 登录组件 -->
    <div class="login_box">
      <!-- 头像区域 -->
      <div class="avater_box">
        <img src="../assets/logo.png" alt="" />
      </div>
      <!-- 登录表单区域 -->
      <div>
        <el-form :model="loginForm" ref="loginFormRef" :rules="loginFormRules" class="login_from" label-width="80px">
          <!-- 用户名 -->
          <el-form-item label="用户名" prop= "username">
            <el-input v-model="loginForm.username" prefix-icon="el-icon-user"></el-input>
          </el-form-item>
          <!-- 密码 -->
          <el-form-item label="密 码" prop="password">
            <el-input v-model="loginForm.password" prefix-icon="el-icon-unlock" type="password"></el-input>
          </el-form-item>
          <!-- 按钮 -->
          <el-form-item class="btns">
            <el-button type="primary" @click="login">登录</el-button>
            <el-button type="info"  @click="resetLoginForm">重置</el-button>
          </el-form-item>
        </el-form>
      </div>
    </div>
  </div>
</template>

<script>
import { instance } from '../utils/http'

export default {
  data () {
    return {
      loginForm: {
        username: 'admin',
        password: '123456'
      },
      loginFormRules: {
        // 验证用户名/密码是否合法
        username: [
          { required: true, message: '请输入活动名称', trigger: 'blur' },
          { min: 3, max: 10, message: '长度在 3 到 10 个字符', trigger: 'blur' }
        ],
        password: [
          { required: true, message: '请输入登录密码', trigger: 'blur' },
          { min: 6, max: 15, message: '长度在 6 到 15 个字符', trigger: 'blur' }
        ]
      }
    }
  },
  methods: {
    resetLoginForm () {
      // console.log(this)
      this.$refs.loginFormRef.resetFields()
    },
    login () {
      this.$refs.loginFormRef.validate(async (valid) => {
        // console.log(valid)
        // eslint-disable-next-line no-useless-return
        if (!valid) return
        const { data: res } = await instance.post('login', this.loginForm)
        // console.log(res)
        if (res.meta.status !== 200) {
          return this.$message.error('登录失败')
        } else {
          console.log(res)
          sessionStorage.setItem('token', res.data.token)
          this.$router.push('/home')
          this.$message.success('登录成功')
        }
      })
    }
  }
}
</script>

<style scoped lang="less">
.login_container {
  background-color: #2b4b6b;
  height: 100%;
}
.login_box {
  width: 450px;
  height: 300px;
  background-color: #fff;
  border-radius: 3px;
  position: absolute;
  left: 50%;
  top: 50%;
  margin: -150px 0 0 -225px;
  .avater_box {
    width: 130px;
    height: 130px;
    border: 1px solid #bfc;
    border-radius: 50%;
    padding: 10px;
    box-shadow: 0 0 10px #ddd;
    position: absolute;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: #fff;
    img {
      width: 100%;
      height: 100%;
      border-radius: 50%;
      background-color: #eee;
    }
  }
}
.btns{
  display: flex;
  justify-content: flex-end;
}
.login_from{
  position: absolute;
  bottom: 0;
  width: 100%;
  padding: 0 20px;
  box-sizing: border-box;
  }
</style>
